Toyota Sienna Service Manual: Wiper switch
COMPONENTS
REMOVAL
1. REMOVE STEERING COLUMN COVER
2. REMOVE WINDSHIELD WIPER SWITCH ASSEMBLY
- Disconnect the connector.
- Using a screwdriver, disengage the claw and pull out the windshield wiper switch assembly.
NOTICE: The claw will be broken if pressed hard.
HINT: Tape up the screwdriver tip before use.
INSPECTION
1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY
- Continuity Check
- Check the continuity between each of the terminals of the connector.
Standard:
Front Wiper Switch
Front Washer Switch
Rear Wiper Switch
Rear Washer Switch
- Intermittent Operation Check
- Connect the voltmeter (+) terminal to the terminal 7 (+1) of the connector, the voltmeter (-) terminal to the terminal 2 (EW) of the connector.
- Connect the battery (+) to the terminal 17 (+B) of the connector, the battery (-) to the terminal 2 (EW) and the terminal 16 (+S) of the connector.
- Turn the wiper switch into the INT position.
- Connect the battery (+) to the terminal 16 (+S) of the connector for 5 seconds.
- Connect the battery (-) to the terminal 16 (+S) of the connector. Operate the intermittent wiper relay and check voltage between the terminal 7 (+1) and the terminal 2 (EW).
- Operation Check (Front Wiper)
- Turn the wiper switch into the OFF position.
- Connect the battery (+) to the terminal 17 (+B) of the connector, the battery (-) to the terminal 16 (+S) and 2 (EW) of the connector.
- Connect the voltmeter (+) terminal to the terminal 7 (+1) of the connector, the voltmeter (-) terminal to the terminal 2 (EW) of the connector. Turn the washer switch ON and OFF and check voltage between the terminal 7 (+1) and the terminal 2 (EW).
INSTALLATION
1. INSTALL WINDSHIELD WIPER SWITCH ASSEMBLY
2. REMOVE STEERING COLUMN COVER
Rear wiper rubber
COMPONENTS
REMOVAL
1. REMOVE REAR WIPER BLADE ASSEMBLY
Remove the rear wiper arm head cap from the rear
wiper arm.
Raise the rear wiper blade to the position as shown
i ...
Front washer motor
ON-VEHICLE INSPECTION
1. INSPECT FRONT WASHER MOTOR
Operation Check
Pour the water into the washer jar with the
windshield washer motor and pump installed to
the washer ...
Other materials:
Installation
1. INSTALL TRANSFER CASE OIL SEAL
(a) Using SST, install anew transfer case oil seal to the
transfer case at the position shown in the
illustration.
SST 09387-00010, 09950-70010 (09951-07150)
NOTICE:
Do not install it obliquely.
(b) Apply small amount of MP grease to the oil seal lip.
2. ...
Shifting the shift lever
While the engine switch is in the
“ON” position (vehicles without a
smart key system) or IGNITION ON mode (vehicles with a smart
key system), move the shift lever with the brake pedal
depressed.
When shifting the shift lever between P and D, make sure that the vehicle
is completely ...
Inspection
1. INSPECT BRAKE CYLINDER AND PISTON
(a) Check the brake cylinder bore and front disc brake
piston for rust or scoring.
2. INSPECT PAD LINING THICKNESS
(a) Using a ruler, measure the pad lining thickness.
Standard thickness:
12.0 mm (0.472 in.)
Minimum thickness:
1.0 mm (0.039 in.)
3. ...
